55500707538 has 24 divisors (see below), whose sum is σ = 120335155200. Its totient is φ = 18487370904.

The previous prime is 55500707519. The next prime is 55500707567. The reversal of 55500707538 is 83570700555.

55500707538 is a `hidden beast` number, since 5 + 5 + 500 + 70 + 75 + 3 + 8 = 666.

55500707538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55500707538² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55500707493 and 55500707502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045458 + ... + 1097261.

It is an arithmetic number, because the mean of its divisors is an integer number (5013964800).

Almost surely, 2^55500707538 is an apocalyptic number.

55500707538 is an abundant number, since it is smaller than the sum of its proper divisors (64834447662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55500707538 is a wasteful number, since it uses less digits than its factorization.

55500707538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144166 (or 2144163 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The spelling of 55500707538 in words is "fifty-five billion, five hundred million, seven hundred seven thousand, five hundred thirty-eight".